Date:	Friday 27 July 1934
Time:	16:00
Type:	Curtiss AT-32C Condor II
Owner/operator:	Swissair
Registration:	CH-170
MSN:	53
Year of manufacture:	1934
Fatalities:	Fatalities: 12 / Occupants: 12
Aircraft damage:	Destroyed, written off
Category:	Accident
Location:	Wurmlingen/Tuttlingen -   Germany
Phase:	En route
Nature:	Passenger
Departure airport:	Zürich-Dübendorf Airport
Destination airport:	Stuttgart-Böblingen Airport

Narrative:
Crashed after only three months in service. The port inter-wing strut failed in heavy turbulence, causing separation of the engine and part of the lower wing.
The airplane operated on the flight Zürich-Stuttgart-Leipzig-Berlin.
The three crew members and the nine passengers died. The aircraft fell in a forest from a height of 3,000 meters and burned.

Swissair Information website
A Survey of Serious Aircraft Accidents Involving Fatigue Fracture. Volume 1. Fixed-Wing Aircraft / NRC Canada, 1983

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